DE59010573D1 - Process for the preparation of cyanohydantoins - Google Patents

Process for the preparation of cyanohydantoins

Info

Publication number
DE59010573D1
DE59010573D1 DE59010573T DE59010573T DE59010573D1 DE 59010573 D1 DE59010573 D1 DE 59010573D1 DE 59010573 T DE59010573 T DE 59010573T DE 59010573 T DE59010573 T DE 59010573T DE 59010573 D1 DE59010573 D1 DE 59010573D1
Authority
DE
Germany
Prior art keywords
cyanohydantoins
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59010573T
Other languages
German (de)
Inventor
Michael Dr Casutt
Eike Dr Poetsch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merck Patent GmbH filed Critical Merck Patent GmbH
Application granted granted Critical
Publication of DE59010573D1 publication Critical patent/DE59010573D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D513/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00
    • C07D513/02—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00 in which the condensed system contains two hetero rings
    • C07D513/10—Spiro-condensed systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE59010573T 1989-08-26 1990-08-13 Process for the preparation of cyanohydantoins Expired - Fee Related DE59010573D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3928263A DE3928263A1 (en) 1989-08-26 1989-08-26 METHOD FOR PRODUCING 7-CYAN-7,7A-DIHYDRO-1H, 3H-IMIDAZOLE (1,5-C) THIAZOL-5 (6H) -ONES

Publications (1)

Publication Number Publication Date
DE59010573D1 true DE59010573D1 (en) 1997-01-02

Family

ID=6387949

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3928263A Withdrawn DE3928263A1 (en) 1989-08-26 1989-08-26 METHOD FOR PRODUCING 7-CYAN-7,7A-DIHYDRO-1H, 3H-IMIDAZOLE (1,5-C) THIAZOL-5 (6H) -ONES
DE59010573T Expired - Fee Related DE59010573D1 (en) 1989-08-26 1990-08-13 Process for the preparation of cyanohydantoins

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3928263A Withdrawn DE3928263A1 (en) 1989-08-26 1989-08-26 METHOD FOR PRODUCING 7-CYAN-7,7A-DIHYDRO-1H, 3H-IMIDAZOLE (1,5-C) THIAZOL-5 (6H) -ONES

Country Status (3)

Country Link
EP (1) EP0415166B1 (en)
JP (1) JP3119367B2 (en)
DE (2) DE3928263A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022257151A1 (en) * 2021-06-11 2022-12-15 Dsm Ip Assets B.V. Process for producing biotin intermediate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4468516A (en) * 1982-05-17 1984-08-28 Pfizer Inc. Process for the preparation of biotin
DE3776385D1 (en) * 1986-04-19 1992-03-12 Merck Patent Gmbh METHOD FOR PRODUCING D - (+) - BIOTIN.

Also Published As

Publication number Publication date
DE3928263A1 (en) 1991-02-28
EP0415166A2 (en) 1991-03-06
JPH0390087A (en) 1991-04-16
EP0415166A3 (en) 1991-10-16
EP0415166B1 (en) 1996-11-20
JP3119367B2 (en) 2000-12-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee